<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>小鸟游戏</title>
    <style>
    *{
        padding: 0;
        margin: 0;
    }
    html,body{
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    #canvas{
        display: block;
        background: skyblue;
    }
    </style>
</head>
<body>
    <canvas id='canvas'></canvas>
    <script src="./index.js"></script>
    
</body>
</html>